Fix default beatmap selector
Fix default beatmap selector

Wrong conditional during migration to TypeScript.

ppy/osu-web,nekodex/osu-web,notbakaneko/osu-web,nanaya/osu-web,omkelderman/osu-web,nanaya/osu-web,nanaya/osu-web,omkelderman/osu-web,omkelderman/osu-web,notbakaneko/osu-web,ppy/osu-web,ppy/osu-web,LiquidPL/osu-web,nekodex/osu-web,nekodex/osu-web,nekodex/osu-web,LiquidPL/osu-web,nekodex/osu-web,LiquidPL/osu-web,omkelderman/osu-web,notbakaneko/osu-web,ppy/osu-web,notbakaneko/osu-web,LiquidPL/osu-web,nanaya/osu-web,LiquidPL/osu-web,ppy/osu-web,nanaya/osu-web,notbakaneko/osu-web